Forum Discussion

Gordon_Fecyk's avatar
Gordon_Fecyk
Level 3
8 years ago

Deduplication stream size vs disk cluster size

In a few older applications that rely on file system-based databases, like old Usenet news spool servers for instance, it was a good idea to match the storage volume's cluster size to the smallest fi...
2014
Backup Exec 2014
Deduplication
disk cluster
Windows Server (2003
Windows Server (2008 R2)
Gordon_Fecyk's avatar
Gordon_Fecyk
Level 3
8 years ago

The volume is on a FC SAN so stripe size isn't an option I can control. I can change the cluster size though, when I format the volume.

The tech note didn't mention data stream size however. If the cluster size is going to be 64 KB, would it make sense to change the stream size to match?

I've always wondered how large a deduplicated block is, or if that was configurable at all.